Collins, Holden & Setchell, Phycoth. Bor.-Amer.
Collins, F.S.; Holden, I.; Setchell, W.A. [1-2300]

Brown University - Algae
Catalog #: ABRU00003699
E. Butler s.n.
Phormidium treleasei Gomont
Canada, Alberta, Hot Sulphur Springs, Banff, Canada

Michigan State University Algae
Catalog #: MSC0183268
E. Butler #s.n. 00 June 1901
Leptolyngbya treleasei (Gomont) Anagnostidis & Komárek
Canada, Alberta, Hot Sulphur Springs, Banff

Miami University - Algae
Catalog #: 000187982
E. Butler #s.n. 00 June 1901
Phormidium treleasei Gomont
Canada, Alberta, Hot Sulphur Springs, Banff

Yale University Herbarium
Catalog #: YU.092089
Eloise Butler s.n.
Phormidium treleasei Gomont
Canada, Alberta, Hot Sulphur Springs, Banff